| 摘要 |
The invention is an emergency air supply assembly for delivery of air to trapped fire fighters, the combination comprising: a fire truck having a water supply outlet with a water shut-off valve and an air connector collar provided for selective operative engagement with the water outlet, the air connector collar having an emergency air connector quick coupler check valve assembly provided therethrough, the air collar adapted for selective operative engagement with the entry end of a fire hose having nozzle at the opposite end thereof; and an air supply provided in association with the fire truck, the emergency air supply adapted for snap engagement with the air connected quick coupled assembly so as to permit delivery of emergency breather air through the fire hose upon selective closure of the water shut-off valve.
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